/*
* Copyright 2014 - 2018 Rafael Winterhalter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.bytebuddy.matcher;
import net.bytebuddy.build.
HashCodeAndEqualsPlugin;
/**
* An element matcher that matches all {@link java.lang.ClassLoader}s in the matched class loaders hierarchy
* against a given matcher.
*
* @param <T> The exact type of the class loader that is matched.
*/
@
HashCodeAndEqualsPlugin.
Enhance
public class
ClassLoaderHierarchyMatcher<T extends
ClassLoader> extends
ElementMatcher.
Junction.
AbstractBase<T> {
/**
* The matcher to apply on each class loader in the hierarchy.
*/
private final
ElementMatcher<? super
ClassLoader>
matcher;
/**
* Creates a new class loader hierarchy matcher.
*
* @param matcher The matcher to apply on each class loader in the hierarchy.
*/
public
ClassLoaderHierarchyMatcher(
ElementMatcher<? super
ClassLoader>
matcher) {
this.
matcher =
matcher;
}
/**
* {@inheritDoc}
*/
public boolean
matches(T
target) {
ClassLoader current =
target;
while (
current != null) {
if (
matcher.
matches(
current)) {
return true;
}
current =
current.
getParent();
}
return
matcher.
matches(null);
}
@
Override
public
String toString() {
return "hasChild(" +
matcher + ')';
}
}